L-Cysteine hydrochloride
USP/1161509 - United States Pharmacopeia (USP) Reference Standard
Synonym: L-Cysteine hydrochloride monohydrate
CAS Number: 7048-04-6
Empirical Formula (Hill Notation): C3H7NO2S · HCl · H2O
Molecular Weight: 175.63
MDL Number: MFCD00065606
Linear Formula: HSCH2CH(NH2)COOH · HCl · H2O
Product Type: Chemical
| API family | cysteine |
| application(s) | pharmaceutical (small molecule) |
| form | powder |
| format | neat |
| grade | pharmaceutical primary standard |
| InChI | 1S/C3H7NO2S.ClH.H2O/c4-2( |
| InChI key | QIJRTFXNRTXDIP-JIZZDEOASA |
| manufacturer/tradename | USP |
| SMILES string | O.Cl.N[C@@H](CS)C(O)=O |
| solubility | water: 100 g/L at 25 °C |
| Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
| Application: | L-Cysteine hydrochloride USP reference standard intended for use in specified quality tests and assays. Also used to prepare standard stock solution during the assay and impurity analysis of Cysteine Hydrochloride and Cysteine Hydrochloride Injection. |
| Biochem/physiol Actions: | NMDA glutamatergic receptor antagonist. |
| General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia   . |
| Other Notes: | Sales restrictions may apply. |
| Other Notes: | USP issued SDS can be found here . |
| RIDADR | NONH for all modes of transport |
| UNSPSC | 41116107 |